/ Dictionary / Index P phantast: Meaning and Definition of Find definitions for: phan•tast Pronunciation: (fan'tast), [key] — n. fantast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phantasmal phantasy Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language